Yoshinori Nishizawa

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Optical transmitting apparatus, optical receiving apparatus, and op...
- Patent number 8,867,927
- Issue date Oct 21, 2014
- Fujitsu Limited
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmitting apparatus, optical receiving apparatus, and op...
- Patent number 7,817,923
- Issue date Oct 19, 2010
- Fujitsu Limited
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical modulation apparatus and method of controlling optical modu...
- Patent number 6,362,913
- Issue date Mar 26, 2002
- Fujitsu Limited
- Hiroki Ooi
- G02 - OPTICS
Information Patent Grant
Optical modulation apparatus and method of controlling
- Patent number 6,278,539
- Issue date Aug 21, 2001
- Fujitsu Limited
- Hiroki Ooi
- G02 - OPTICS
Information Patent Grant
Filter circuit and filter integrated circuit
- Patent number 5,506,542
- Issue date Apr 9, 1996
- Fujitsu Limited
- Hiroshi Hamano
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Filter circuit and filter integrated circuit
- Patent number 5,293,087
- Issue date Mar 8, 1994
- Fujitsu Limited
- Hiroshi Hamano
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
OPTICAL TRANSMITTING APPARATUS, OPTICAL RECEIVING APPARATUS, AND OP...
- Publication number 20120082465
- Publication date Apr 5, 2012
- FUJITSU LIMITED
- Yuichi AKIYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL TRANSMITTING APPARATUS, OPTICAL RECEIVING APPARATUS, AND OP...
- Publication number 20060263098
- Publication date Nov 23, 2006
- FUJITSU LIMITED
- Yuichi AKIYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmitting apparatus, optical receiving apparatus, and op...
- Publication number 20060263097
- Publication date Nov 23, 2006
- FUJITSU LIMITED
- Yuichi Akiyama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical modulation apparatus and method of controlling optical modu...
- Publication number 20010007508
- Publication date Jul 12, 2001
- Hiroki Ooi
- G02 - OPTICS